Seiko Cal. 7066 - 731

The Seiko 7066-731 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-974b529fee2f]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1989

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